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Cheap flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre from $76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre departing on 3/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags
Travel Warning: Due to flooding, the airport may be currently closed. Check local travel advisories before booking.

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Find the cheapest flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Cheap round-trip flights

Enter your travel dates to find the best prices.
LATAM Airlines Logo
2:50 pm - 7:10 pm
SDU
-
POA
4h 20m
1 stop
LATAM Airlines Logo
6:25 pm - 10:20 pm
POA
-
SDU
3h 55m
1 stop
$109LATAM Airlines
ג', מרץ 31 - ד', אפר' 8
LATAM Airlines Logo
7:35 am - 12:30 pm
SDU
-
POA
4h 55m
1 stop
LATAM Airlines Logo
1:40 pm - 5:05 pm
POA
-
SDU
3h 25m
1 stop
$115LATAM Airlines
ש', אפר' 11 - ג', יוני 2
Multiple Airlines Logo
7:35 am - 12:30 pm
SDU
-
POA
4h 55m
1 stop
Multiple Airlines Logo
2:50 pm - 6:40 pm
POA
-
SDU
3h 50m
1 stop
$117Multiple Airlines
ש', אפר' 11 - ב', יוני 1
GOL Logo
11:50 am - 3:45 pm
SDU
-
POA
3h 55m
1 stop
GOL Logo
6:35 am - 10:35 am
POA
-
SDU
4h 00m
1 stop
$122GOL
ד', יוני 10 - ג', יוני 30
GOL Logo
6:00 pm - 10:40 pm
SDU
-
POA
4h 40m
1 stop
GOL Logo
10:50 am - 3:55 pm
POA
-
SDU
5h 05m
1 stop
$123GOL
ב', מאי 18 - ד', מאי 20
LATAM Airlines Logo
4:40 pm - 8:50 pm
SDU
-
POA
4h 10m
1 stop
LATAM Airlines Logo
6:40 am - 1:10 pm
POA
-
SDU
6h 30m
1 stop
$126LATAM Airlines
ו', מאי 22 - א', מאי 24
GOL Logo
9:55 am - 2:05 pm
SDU
-
POA
4h 10m
1 stop
GOL Logo
12:25 pm - 5:10 pm
POA
-
SDU
4h 45m
1 stop
$127GOL
ו', אפר' 24 - ב', אפר' 27
GOL Logo
4:00 pm - 8:15 pm
SDU
-
POA
4h 15m
1 stop
GOL Logo
1:45 pm - 6:00 pm
POA
-
SDU
4h 15m
1 stop
$128GOL
ש', אפר' 25 - ג', אפר' 28
GOL Logo
5:35 pm - 10:05 pm
SDU
-
POA
4h 30m
1 stop
GOL Logo
9:35 am - 2:15 pm
POA
-
SDU
4h 40m
1 stop
$131GOL
ג', מרץ 3 - ג', מרץ 10
LATAM Airlines Logo
7:55 am - 1:15 pm
SDU
-
POA
5h 20m
1 stop
LATAM Airlines Logo
7:15 am - 12:50 pm
POA
-
SDU
5h 35m
1 stop
$134LATAM Airlines
ג', מרץ 10 - א', מרץ 15

LATAM Airlines flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best LATAM Airlines deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
LATAM Airlines
Mar 31
SDU2:50 pmRio de Janeiro Santos Dumont
4h 20m
1 stop
POA7:10 pmPorto Alegre Salgado Filho
Apr 8
POA6:25 pmPorto Alegre Salgado Filho
3h 55m
1 stop
SDU10:20 pmRio de Janeiro Santos Dumont
$109
LATAM Airlines
Apr 11
SDU7:35 amRio de Janeiro Santos Dumont
4h 55m
1 stop
POA12:30 pmPorto Alegre Salgado Filho
Jun 2
POA1:40 pmPorto Alegre Salgado Filho
3h 25m
1 stop
SDU5:05 pmRio de Janeiro Santos Dumont
$115
LATAM Airlines
May 22
SDU4:40 pmRio de Janeiro Santos Dumont
4h 10m
1 stop
POA8:50 pmPorto Alegre Salgado Filho
May 24
POA6:40 amPorto Alegre Salgado Filho
6h 30m
1 stop
SDU1:10 pmRio de Janeiro Santos Dumont
$126

GOL flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Our best GOL deals on Rio de Janeiro Santos Dumont Airport to Porto Alegre flight tickets
GOL
Jun 10
SDU11:50 amRio de Janeiro Santos Dumont
3h 55m
1 stop
POA3:45 pmPorto Alegre Salgado Filho
Jun 30
POA6:35 amPorto Alegre Salgado Filho
4h 00m
1 stop
SDU10:35 amRio de Janeiro Santos Dumont
$122
GOL
May 18
SDU6:00 pmRio de Janeiro Santos Dumont
4h 40m
1 stop
POA10:40 pmPorto Alegre Salgado Filho
May 20
POA10:50 amPorto Alegre Salgado Filho
5h 05m
1 stop
SDU3:55 pmRio de Janeiro Santos Dumont
$123
GOL
Apr 24
SDU9:55 amRio de Janeiro Santos Dumont
4h 10m
1 stop
POA2:05 pmPorto Alegre Salgado Filho
Apr 27
POA12:25 pmPorto Alegre Salgado Filho
4h 45m
1 stop
SDU5:10 pmRio de Janeiro Santos Dumont
$127

momondo Fare Finder

 
Customize your flight search to find flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated פברואר 3, 2026.
Use the filters below to find and compare flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ג' 3/31

2:50 pm-7:10 pm

1 stop4h 20m

Porto Alegre Salgado Filho

ד' 4/8

6:25 pm-10:20 pm

1 stop3h 55m

$109

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ש' 4/11

7:35 am-12:30 pm

1 stop4h 55m

Porto Alegre Salgado Filho

ג' 6/2

1:40 pm-5:05 pm

1 stop3h 25m

$115

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ש' 4/11

7:35 am-12:30 pm

1 stop4h 55m

Porto Alegre Salgado Filho

ב' 6/1

2:50 pm-6:40 pm

1 stop3h 50m

$117

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ד' 6/10

11:50 am-3:45 pm

1 stop3h 55m

Porto Alegre Salgado Filho

ג' 6/30

6:35 am-10:35 am

1 stop4h 00m

$122

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ב' 5/18

6:00 pm-10:40 pm

1 stop4h 40m

Porto Alegre Salgado Filho

ד' 5/20

10:50 am-3:55 pm

1 stop5h 05m

$123

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ו' 5/22

4:40 pm-8:50 pm

1 stop4h 10m

Porto Alegre Salgado Filho

א' 5/24

6:40 am-1:10 pm

1 stop6h 30m

$126

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ו' 4/24

9:55 am-2:05 pm

1 stop4h 10m

Porto Alegre Salgado Filho

ב' 4/27

12:25 pm-5:10 pm

1 stop4h 45m

$127

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ש' 4/25

4:00 pm-8:15 pm

1 stop4h 15m

Porto Alegre Salgado Filho

ג' 4/28

1:45 pm-6:00 pm

1 stop4h 15m

$128

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ג' 3/3

5:35 pm-10:05 pm

1 stop4h 30m

Porto Alegre Salgado Filho

ג' 3/10

9:35 am-2:15 pm

1 stop4h 40m

$131

Rio de JaneiroPorto Alegre

SDU - POA

SDUPOA

Rio de Janeiro Santos Dumont

ג' 3/10

7:55 am-1:15 pm

1 stop5h 20m

Porto Alegre Salgado Filho

א' 3/15

7:15 am-12:50 pm

1 stop5h 35m

$134

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto Alegre from

How to get the cheapest flight ticket from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto Alegre?

The cheapest month to fly to Porto Alegre from Rio de Janeiro Santos Dumont Airport is in March. Flight prices, which tend to average around $120, are often lower during this time because this is during the off-season. If you’re not able to fly to Porto Alegre in March, then May is your next best option. Flight prices from Rio de Janeiro Santos Dumont Airport to Porto Alegre during May average around $132.

What is the cheapest day to depart on your flight to Porto Alegre?

Our data shows that Tuesday is the least expensive day to fly to Porto Alegre. Tickets to fly out on this day can be as low as $134. On the other hand, Sunday is the most expensive day to depart from Rio de Janeiro Santos Dumont Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $351.

What is the cheapest time of day to depart on your flight to Porto Alegre?

Our most recent data shows that the best time of day to fly to Porto Alegre is in the afternoon. Flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre during this time can be as low as $132. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $370 on average. Flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

How far in advance should I book a flight to Porto Alegre?

You are more likely to see cheaper flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto Alegre for around $171 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto Alegre from Rio de Janeiro Santos Dumont Airport for as low as $122 on momondo.

How have Rio de Janeiro Santos Dumont Airport to Porto Alegre flight prices changed over time?

As of February 2026, prices for Rio de Janeiro Santos Dumont Airport to Porto Alegre flights are approximately 10% more expensive when compared to flights at the same time last year.

When to book flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Are you open to changing your travel dates? Check out the ideal times to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Rio de Janeiro Santos Dumont Airport to Porto Alegre (SDU to POA) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre

Fastest flight time

3h 40m

Direct flights

None
The fastest flight from Rio de Janeiro Santos Dumont Airport to Porto Alegre takes 3h 40m
There are no direct flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre. There are no popular flight routes from Rio de Janeiro Santos Dumont Airport to Porto Alegre.
Search flight deals

  • How far is Rio de Janeiro Santos Dumont to Porto Alegre Salgado Filho by plane?

    There are 699.4 mi between Rio de Janeiro Santos Dumont and Porto Alegre Salgado Filho. In terms of flight time, this usually takes a little over 3h 40m.

  • When did momondo last update prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    Prices for flights from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport are refreshed on a daily basis.

  • How old do you have to be to fly from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Rio de Janeiro Santos Dumont Airport to Porto Alegre Salgado Filho Airport.

  • What documentation or ID do you need to fly to Porto Alegre Salgado Filho Airport?

    The necessary travel and health documents for your Porto Alegre Salgado Filho Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Rio de Janeiro to Porto Alegre?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Rio de Janeiro to Porto Alegre. momondo saves you time and could save you money on your trip.

Can I find flights from Rio de Janeiro to Porto Alegre with flexible booking policies on momondo?

Yes. All flights to Porto Alegre from Rio de Janeiro on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Rio de Janeiro to Porto Alegre?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Rio de Janeiro to Porto Alegre.

I’m not ready to book a flight from Rio de Janeiro to Porto Alegre right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Rio de Janeiro to Porto Alegre flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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